function calculateDripRate() {
var volume = parseFloat(document.getElementById("volume").value);
var time = parseFloat(document.getElementById("time").value);
var dropFactor = parseFloat(document.getElementById("dropFactor").value);
var resultElement = document.getElementById("result");
if (isNaN(volume) || isNaN(time) || isNaN(dropFactor) || volume <= 0 || time <= 0 || dropFactor <= 0) {
resultElement.textContent = "Invalid input. Please enter positive numbers.";
return;
}
// Convert infusion time from hours to minutes
var timeInMinutes = time * 60;
// Calculate drip rate in mL/min
var dripRate = volume / timeInMinutes;
// You can also calculate drops per minute directly if needed, but mL/min is often the primary
// var dropsPerMinute = (volume / timeInMinutes) * dropFactor;
resultElement.textContent = dripRate.toFixed(2) + " mL/min";
}
.calculator-container {
font-family: Arial, sans-serif;
max-width: 500px;
margin: 20px auto;
padding: 20px;
border: 1px solid #ddd;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
background-color: #fff;
}
.calculator-title {
text-align: center;
color: #333;
margin-bottom: 20px;
}
.calculator-description {
color: #555;
margin-bottom: 25px;
line-height: 1.6;
font-size: 0.95em;
}
.form-group {
margin-bottom: 15px;
}
.form-group label {
display: block;
margin-bottom: 8px;
color: #444;
font-weight: bold;
}
.form-group input[type="number"] {
width: calc(100% – 20px);
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
font-size: 1em;
}
.calculator-button {
width: 100%;
padding: 12px 20px;
background-color: #007bff;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1.1em;
transition: background-color 0.3s ease;
}
.calculator-button:hover {
background-color: #0056b3;
}
.calculator-result {
margin-top: 25px;
text-align: center;
padding: 15px;
background-color: #e9ecef;
border-radius: 4px;
}
.result-title {
color: #333;
margin-bottom: 10px;
font-size: 1.1em;
}
.result-display {
font-size: 1.8em;
font-weight: bold;
color: #007bff;
}